4 SS3-6 KEDONG STAGE 2021 | Stage Route Review

4.1 Stage Route Preview

Static map, significant corners highlighted:

4.2 Segmented Route

1km route sections, aligned to read left to right; significant corners highlighted.

4.3 Speed Estimates

Estimates of speed along the route according to a very simple acceleration model.

Kilometer section speeds (kmtime is time in seconds to complete that segment; avspeed is in km/h):

kmsection	section_length	km_time	av_speed	maxspeed
1	0.99	26.83241	132.82443	145
2	1.00	24.83844	144.93661	145
3	1.00	25.56903	140.79534	145
4	1.00	27.06603	133.00806	145
5	1.00	25.67491	140.21473	145
6	1.00	24.82759	145.00000	145
7	1.00	32.10161	112.14391	145
8	1.00	29.01722	124.06428	145
9	1.00	29.75019	121.00762	145
10	1.00	27.27501	131.98897	145
11	1.00	30.54955	117.84133	145
12	1.00	24.82759	145.00000	145
13	1.00	29.09642	123.72657	145
14	1.00	25.01163	143.93302	145
15	1.00	29.62461	121.52057	145
16	1.00	41.43835	86.87605	145
17	1.00	25.46634	141.36309	145
18	1.00	24.82759	145.00000	145
19	1.00	30.16029	119.36226	145
20	1.00	26.27063	137.03517	145
21	1.00	26.44187	136.14773	145
22	1.00	24.82759	145.00000	145
23	1.00	24.82759	145.00000	145
24	1.00	24.82759	145.00000	145
25	1.00	24.82759	145.00000	145
26	1.00	26.46951	136.00556	145
27	1.00	25.57123	140.78321	145
28	1.00	24.82759	145.00000	145
29	1.00	26.74060	134.62676	145
30	1.00	24.82759	145.00000	145
31	1.00	26.27143	137.03097	145
32	1.00	26.47202	135.99262	145
33	1.00	26.55741	135.55537	145
34	0.36	10.06842	128.71936	145

Anticipated stage time: 15m 3.8s

Speed profile chart: this chart shows the anticipated speed over distance into route on a per kilometer basis (the green area is flat out, the pink is the sort of slow you see at a hairpin):

4.4 Elevation and Convexity Index into Route

Elevation and significant curvature vs distance into stage:

(Note that this uses a different curvature measure to the route plots; specifically, the curvature measure used here is the convexity index.)

Elevation delta signature — order the severity of height changes over each 10m section of the stage:

Split section elevation profiles can be found in the stage km section summary table.

4.4.1 Left and Right

How does the stage vary in terms of left and right turns?

Order the severity of right and left turns over each 10m section of the stage:

Kilometer segment convexity index signatures can be found in steg stage km section summary table.

Table 4.1: Five longest straights (m)
Distance into stage (km)	Straight length (m)
25.77	580
22.48	640
20.50	1850
4.93	540
1.22	800

4.4.2 Sinuosity and Straightness

Sinuosity and straightness are technical measures with specific defintions. They may or may not be that useful for route analysis in their current form. The intention is to try to find ways of identifying variously “interesting” kilometer stretches.

(#tab:sinuosity_table-5)Stage segmented into 1km sections: SS3-6 KEDONG STAGE 2021
km	sinuosity	straightness
1	0.0927199975	0.9932650
2	0.0061182843	0.9997772
3	0.0188209010	0.9870360
4	0.0305769442	0.9705807
5	0.0267592187	0.9763905
6	0.0064770204	0.9946771
7	0.1389072616	0.9809828
8	0.0967415803	0.9857313
9	0.0449096402	0.9778735
10	0.0357335704	0.7239539
11	0.1236036100	0.8285772
12	0.1015346149	0.9769026
13	0.1040895480	0.6772904
14	0.0131558214	0.9982000
15	0.0563349275	0.8834662
16	0.1199546430	0.6822289
17	0.0362389699	0.9575451
18	0.0225242941	0.9711464
19	0.0647935584	0.7681767
20	0.1155530390	0.9318735
21	0.0226259575	0.9911194
22	0.0006321764	0.9999924
23	0.1304191575	0.7223259
24	0.0278692847	0.9723452
25	0.0928967765	0.9734318
26	0.0363144046	0.9686244
27	0.0158823234	0.9978042
28	0.0047441048	0.9995966
29	0.1217232637	0.7979135
30	0.0184371904	0.9629272
31	0.0834400602	0.8890497
32	0.1020231581	0.9423794
33	0.1319058931	0.9744173
34	0.2120380005	0.9715575